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মেকানিক্যাল ইঞ্জিনিয়ারিং

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12191. MCQPractice set · Question 43

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 43)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 + xy))
c.
tan^(-1)((x + y) / (1 - xy))
d.
π + tan^(-1)((x + y) / (1 - xy))

Correct answer: c

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12192. MCQPractice set · Question 44

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 44)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 + xy))
c.
π + tan^(-1)((x + y) / (1 - xy))
d.
tan^(-1)((x + y) / (1 - xy))

Correct answer: d

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12193. MCQPractice set · Question 45

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 45)

a.
tan^(-1)((x + y) / (1 - xy))
b.
tan^(-1)((x - y) / (1 + xy))
c.
tan^(-1)((x + y) / (1 + xy))
d.
π + tan^(-1)((x + y) / (1 - xy))

Correct answer: a

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12194. MCQPractice set · Question 46

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 46)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 - xy))
c.
tan^(-1)((x + y) / (1 + xy))
d.
π + tan^(-1)((x + y) / (1 - xy))

Correct answer: b

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12195. MCQPractice set · Question 47

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 47)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 + xy))
c.
tan^(-1)((x + y) / (1 - xy))
d.
π + tan^(-1)((x + y) / (1 - xy))

Correct answer: c

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12196. MCQPractice set · Question 48

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 48)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 + xy))
c.
π + tan^(-1)((x + y) / (1 - xy))
d.
tan^(-1)((x + y) / (1 - xy))

Correct answer: d

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12197. MCQPractice set · Question 49

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 49)

a.
tan^(-1)((x + y) / (1 - xy))
b.
tan^(-1)((x - y) / (1 + xy))
c.
tan^(-1)((x + y) / (1 + xy))
d.
π + tan^(-1)((x + y) / (1 - xy))

Correct answer: a

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12198. MCQPractice set · Question 50

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 50)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 - xy))
c.
tan^(-1)((x + y) / (1 + xy))
d.
π + tan^(-1)((x + y) / (1 - xy))

Correct answer: b

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12199. MCQPractice set · Question 51

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 51)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 + xy))
c.
tan^(-1)((x + y) / (1 - xy))
d.
π + tan^(-1)((x + y) / (1 - xy))

Correct answer: c

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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12200. MCQPractice set · Question 52

যদি xy < 1 হয়, তবে tan^(-1)(x) + tan^(-1)(y) এর রূপ কোনটি? (প্রশ্ন 52)

a.
tan^(-1)((x - y) / (1 + xy))
b.
tan^(-1)((x + y) / (1 + xy))
c.
π + tan^(-1)((x + y) / (1 - xy))
d.
tan^(-1)((x + y) / (1 - xy))

Correct answer: d

xy < 1 শর্তে tan^(-1)(x) + tan^(-1)(y) = tan^(-1)((x + y) / (1 - xy))।

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