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can anyone please show me how to find sum of coefficients in expansion (x+2y+2)^10

can anyone please show me how to find sum of coefficients in expansion (x+2y+2)^10

Grade:12

3 Answers

Nishant Vora IIT Patna
askIITians Faculty 2467 Points
8 years ago
but x=y=1 after writing complete expansion

so 3^10 will come

Thanks
Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
8 years ago
The put the values of x & y as 1 and you will get the answer as 510 .
AMMANANNA
45 Points
8 years ago
if you have put the values in x=y=1 in your equation u willget   5^10
    so that the final answer is    5^10
thank you boss
 

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