a2=25, b2=49 হলে ab এর মান কত?

a2=25, b2=49 হলে ab এর মান কত?

\(a^{2}\)=25, \(b^{2}\)=49 হলে ab এর মান কত? ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

0.16

35

1.06

0.016

0 1

Best Answer Explained in Below-:

\(a^{2}\) = 25 = (±5)2.'.a = ±5b2 = 49 = (±7)2.'.b = ±7.'. ab = 5×7 = 35ab = ( - 5) ×( - 7) = 35

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কোনটি বৃহত্তম ?

যদি 0.04×0.4×a=0.4×0.04×b হয়, তবে ab এর মান কত?

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