Math, asked by nandana12325, 9 months ago

10. Find the values of 'a' and 'b' if, 3+✓7/3-✓7= a+b✓7​

Answers

Answered by devil879437
1

Answer:

(3+√7)×(3+√7)/(3-√7)×(3+√7)

= (3+√7)²/(3²-√7²)

= (9+7+2×3×√7) /(9-7)

= ( 16+6√7)/2

= 8 + 3√7

so here, a= 8 and b= 3.

Answered by Anonymous
6

Answer:

(3+√7)×(3+√7)/(3-√7)×(3+√7)

= (3+√7)²/(3²-√7²)

= (9+7+2×3×√7) /(9-7)

= ( 16+6√7)/2

= 8 + 3√7

so here, a= 8 and b= 3.

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