Question

14) Find the coefficient of x^2 in the expansion of ( x-y)^2​

Answer 1

Answer:

$(x - y) ^{2} \\ = > x {}^{2} - 2xy + {y}^{2}$

Step-by-step explanation:

So here the coefficient of

${x}^{2}$

is 1.

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Answer 2

Answer:

Ans:1

Step-by-step explanation:

(x-y)^2=x^2+y^2+2xy

as in the above step coefficient of x^2=1