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find the coefficient of x² of (2-2x+x²)⁵


Sagot :

Answer:

400.

Step-by-step explanation:

(2-2x+x²)⁵

=  x^10 - 10 x^9 + 50 x^8 - 160 x^7 + 360 x^6 - 592 x^5 + 720 x^4 - 640 x^3 + 400 x^2 - 160 x + 32