Math, asked by ashokkumarbaidya5590, 6 months ago

plz do (iii)no. and (iv)no.

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Answered by kaju1234276

0

Step-by-step explanation:

5b²-3b²

(a-b)² Identity

(5b)²-2×5b²×(3b)²+3b²

25b²-90b⁴+9b²

34b²-90b⁴

2b²(17-45b²)

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