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If (1 + x)^10 = a0 + a1x + a2x^2 + a3x^3 +.......+ a10x^10, then (a0 – a2 + a4 – a6 + a8 – a10)^2 + (a1 – a3 + a5 – a7 + a9)^2 is equal to

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If (1 + x)10 = a0 + a1x + a2x2 + a3x3 +.......+ a10x10, then (a0 – a2 + a4 – a6 + a8 – a10)2 + (a1 – a3 + a5 – a7 + a9)2 is equal to

a. 310

b. 210

c. 29

d. none of these

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Correct option is b. 210

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