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The powers are in A.P., so you can put 2²+⁴+... till power 20 and put it equal to 2 power x, then x will be equal to the arithmetic series of 2+4+6+8+...+20. First term is 2, no. terms will be 10, and last term will be 20. Then use the formula (n/2)(a+l) to get the sum of the series. 'n' is no. of terms, 'a' is the first term, and 'l' is the last term.
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2^2x4x6x8x10x12x14x16x18x20=2^x
3715891200 =x
3715891200 =x
no answer is 110
How??
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ANSWER...........
X= 12980742150
X= 12980742150
No....answer is 110
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