Question

slove the following using suitable identity. (s+9)(s-9)s​

Answer 1

Answer:

s³-81s

Step-by-step explanation:

(s+9)(s-9)s​

= (s²-9²)s                                {(x+y)(x-y)=(x²-y²)}

= (s²-81)s

= s³ - 81s

Hope this helps!

Answer 2

Answer:

(s+9)(s-9)=(s-9) ^2 aata hai .konsi class me padhti ho bacche.