Question

Evaluate using suitable formula
i) 2x⁵-32x
ii)(998)²

Answer 1

${998}^{2} = {(1000 - 2)}^{2}$
= 1000000 + 4 - 4000
=9996000+4
=9996004

Answer 2

hey u r answer and using formula a^2-b^2=(a-b)(a+b)