Math, asked by riyasewatkar06, 4 months ago

please tell the answers of the following equations!!!!!!!!!!!

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Answers

Answered by venkatmadasu3110
1

         

        Answer:

1} √7/7

2} [√7+√6]/13

3} [√5-√2]/7

4} [√7+2]/9

Step-by-step explanation:

1} 1/√7 = (1/√7) × (-√7/-√7)

            = -√7/(√7×-√7)

            =  -√7/-7

            =  √7/7

2} 1/(√7-√6) = 1/(√7-√6)×[(√7+√6)/(√7+√6)]

                     = [√7+√6]/[(√7×√7)-(√6×-√6)]

                     = [√7+√6]/7+6

                     = [√7+√6]/13

3} 1/(√5+√2) = [1/(√5+√2)]×[(√5-√2)/(√5-√2)]

                     = [√5-√2]/[(√5×√5) - (√2×-√2)]

                     = [√5-√2]/[5+2]

                     = [√5-√2]/7

4} 1/(√7-2) = [1/(√7-2)]×[(√7+2)/(√7+2)]

                 = [√7+2]/[(√7×√7) - (-2×2)]

                 = [√7+2]/7+2

                 = [√7+2]/9

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