Question

(i) k-p = (9+p) (9-p) হলেk -এর মান কত হবে বের করি।​

Answer 1

ans. k=

${p}^{2} + p - 81$

Answer 2

Answer:

Answer

$k - p ^{2} = (9 + p)(9 - p) \\ = k - p = (9 + p)(9 - p) \\ = k - p = p ^{2} - 81 \\ = k = p ^{2} + p - 81$