Question

Use suitable identity to find the product (7/5yz + 2/3xy²)(7/5yz - 2/3xy²)

Answer 1

Answer:

it is in the form (a+b)(a-b)=a^2-b^2

herea=7/5yz,b=2/3xy^2

(7/5yz+2/3xy^2)(7/5yz-2/3xy^2)=(7/5yz)^2-(2/3xy^2)^2

=49y2z2/25-4x2y4/9

Answer 2

$\huge\bold\blue{hey friend}$

Step by Step Explanation:-

The identity used here is (a+b)(a-b) = a²-b².

$( \frac{7}{5}yz + \frac{2}{3} xy^{2} )( \frac{7}{5}yz - \frac{2}{3} xy {}^{2} )$

(7/5yz)² - (2/3xy²)²

Answer => 49/25y²z² - 4/9x²y⁴

hope it helps u ☺

▶@princessemaanu2006◀

stay happy✌