Math, asked by pravin342, 10 months ago

rationalise 1/7+5root2​

Answers

Answered by malavikabala012003
3

1/7+5√2

Multiplying with conjugate on both numerator and denominator

1*7-5√2/7+5√2*7-5√2

=7-5√2/49-50

=7-5√2/-1

= -7+5√2

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