Math, asked by noone78, 6 months ago

Expand : (5 – 4pq) ( 5 + 4pq)

Answers

Answered by vipashyana1

14

Answer:

(5–4pq)(5+4pq)

Using the identity:-(a-b)(a+b)=a²-b²

(5)²-(4pq)²

25-16p²q²

Answered by yuvasriR

7

ɢɪᴠᴇɴ :- (5-4ᴘq)(5+4ᴘq)

ɪᴅᴇɴᴛɪᴛʏ : (ᴀ+ʙ)(ᴀ-ʙ) = ᴀ²-ʙ²

(5-4ᴘq)(5+4ᴘq) = 5² - (4ᴘq)²

= 25 - 16 ᴘq²

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