Math, asked by Priyanshu12AB07, 1 month ago

please do it fast please​

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Answers

Answered by devilff23
1

hope it will help you and like this answer

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Answered by ItsLisa15097
15

Step-by-step explanation:

b) Question :-

simplify \:  \:   \\ ( \frac{1}{3} ) {}^{ - 2}  + ( \frac{1}{4} ) {}^{ - 2}  + ( \frac{1}{5} ) {}^{ - 2}  - ( \frac{1}{6} ) {}^{ - 2}

Answer :-

( \frac{1}{3} ) {}^{ - 2}  + ( \frac{1}{4} ) {}^{ - 2}  + ( \frac{1}{5} ) {}^{ - 2}  - ( \frac{1}{6} ) {}^{ - 2}  \\  = (3 {}^{ - 1} ) {}^{ - 2}  + (2 {}^{ - 2} ) {}^{ - 2}  + (5 {}^{ - 1} ) {}^{ - 2}  - (6 {}^{ - 1} ) {}^{ - 2}  \\  = (3 {}^{2} ) + (2 {}^{4} ) + (5 {}^{2} ) - (6 {}^{2} ) \\  = 9 + 16 + 25 - 36 \\  = 25 + 25 - 36 \\  = 14

Hope it helpful .

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