Math, asked by TbiaSamishta, 1 year ago

(2mn+5)(2mn-5),Expand the given equation.

Answers

Answered by BrainlyHulk
3

By using Identity III i.e. ( a + b ) ( a - b ) = a² - b²

(2mn+5)(2mn-5)

= ( 2mn )² - 5²

= 2m²n² - 25

Answered by Anonymous
3
BONJOUR ,
❤ ❤ ❤ ❤ ❤

(2mn + 5)(2mn - 5) \\  = (2mn) {}^{2}  - 5 {}^{2}  \\  = 4m {}^{2} n {}^{2}  - 25
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