Question

please solve this and send me and I will mark you as brain list please do fifth part d ​

Answer 1

Answer:

sorry i know only this

(b).  

(4y + z)(z − 4y) = 4y(z−4y) + z(z−4y)

⇒(4y + z)(z − 4y) = 4yz − 16y^2 + z^2 − 4yz = z^2 − 16y^2

VERIFICATION :

LHS = (4y + z)(z − 4y)

=[4×2+3][3−4×2]

=11×(−5)

=−55

RHS = z^2 − 16y^2

=3^2 − 16(2^)2

=9 − 64

=−55

So, LHS = RHS