Math, asked by mukeshanju30, 2 months ago

87) Find the values of a and b if: (√7-1)/(√7+1) (√7+1)/(√7-1) = a+b√7. please ans fast

Answers

Answered by jyotirmay77

1

Answer:

a=1/8,b=1/2

Step-by-step explanation:

(√7-1)/(√7+1)(√7+1)(√7-1)

(√7-1)/(√7+1)(7-1)

(√7-1))(√7+1)/(√7+1)*6

6/(7+1+2√7)*6

1/(8+2√7)=a+b√7

a=1/8,b=1/2

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