Question

Use suitable identities to find the following products
$(3 - 2x)(3 + 2x)$
​

Answer 1

Answer:

a^2-b^2=(a+b)×(a-b)

(3-2x)(3+2x)=3^2-(2x)^2

=9-4x^2

Answer 2

Answer:

a

${a}^{2} - {b}^{2}$

यह सही उत्तर है