Math, asked by dhruv830, 11 months ago

solve this...........​

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Answered by Anonymous
4

4. (ii) (5⁻¹ x 2⁻¹) x 6⁻¹ = (1/5 x 1/2) x 1/6

                                = 1/10 x 1/6

                                = 1/60

6. {(1/3)⁻¹ - (1/4)⁻¹} ⁻¹ = {3-4}⁻¹

                              = (-1)⁻¹

                              = 1/-1

                              = -1

7. (i)  25 x t⁻⁴ / 5⁻³ x 10 x t⁻⁸ = 25 x 1/t⁴ / 1/5³ x 10 x 1/t⁸

                                             = 25 x 1 x t⁸ x 5³ / t⁴ x 10

                                             = 25 x 125 x t⁸ / 10 x t⁴

                                             = 3125 x t⁴ / 10

                                             = 312.5 x t⁴

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Answered by RudrakshiNanda
3

ii)(1/5×1/2)×1/6

1/10×1/6=1/60

Other two numbers in attachment.:-)

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