Question

Write the co-efficient of 2 in the expansion of (5 − ) 2

Answer 1

Answer:

Step-by-step explanation:

=(5-y)^2

=(5)^2 + (y)^2 - 2*(5)*(y)

=25 + y^2 - 10y

The coefficient of y in the above expression is (-10) .

Hope it helps u.

Answer 2

Step-by-step explanation:

WriteANSWER

Now,

(5−y)

2

=25−10y+y

2

.

Now co-efficient of y is −10.

December 20, 2019

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