Question

जर 2x + 2 y= 20 व x + y = 6 तर 2x-yकिती? 1.8 2.1 3.2 4.4 ​

Answer 1

Answer:option (4)

- 4

Step-by-step explanation

2^x+2^y=20

2^4-2^2=20

x+y=6

4+2=6

2^x-y=2^4-2=2^2

Ans=4

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