Math, asked by Anonymous, 5 hours ago

Can u please tell ans

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Answered by vermashiva451

1

Step-by-step explanation:

a) we using → a²-b²=(a-b)(a+b)

16x² - 9y²

25 4

(4x)² - (3y)²

( 5)² (2)²

( 4x - 3y ) × ( 4x + 3y )

( 5 2 ) ( 5 2 )

b) we using here →(a-b)²=a²+b²-2ab

→(0.4p)²+(0.5q)²-2×0.4p×0.5q

→0.16p²+0.25q²-0.4pq.

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