Question

subjective worksheet class 9

please give proper answers and don't answer just for points​

Answer 1

Answer:

I got 1st answer. I think it might help you

Answer 2

Answer:

1.

$= \frac{ {87}^{3} + {13}^{3} }{ {87}^{2} - 87(13) + {13}^{2} } \\ = \frac{(87 + 13)( {87}^{2} - 87(13) + {13}^{2} )}{ {87}^{2} - 87(13) + {13}^{2} } \\ = 100$