Math, asked by shajisaifina2581, 7 months ago

Find the value of k in the problem 25n²-kp²=(5n+9p)(5n-9p)

Answers

Answered by tanishksethiya
4

Answer:

By comparing both sides after multiplying the terms on RHS ,

25n^2 - kp^2 = (5n + 9p)(5n - 9p)

Therefore, k = 81 .

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