Math, asked by nehanshsuthar56, 2 months ago

If a / b = 7 / 9 then find the value of :-
3a + 5b / 3a - 5b
7b - 2a / 7b + 2a​

Answers

Answered by millishrivastav397
1

first.. we put the value... in which a=7and b=9

(i) 3×7+5×9/3×7-5×9

=21+45/21-45

=66/-24

=33/-8 (Answer)

(ii) 7×9-2×7/7×9+2×7

=63-14/63+14

=49/77

=7/11

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