Math, asked by anshikapandey300806, 8 months ago

11. If 2r +
4
4 = ܐ
4, then 4r2 +
is​

Answers

Answered by abhyapartap2587
0

Answer:

2r+4--6

Step-by-step explanation:

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Answered by sahilrajwat
0

Step-by-step explanation:

Given

r=1

n

r

4

=f(n).

Now,

r=1

n

(2r−1)

4

=

r=1

2n

r

4

r=1

n

(2r)

4

.......(.writing as sum of 2n terms−sum of all even terms)

r=1

n

(2r−1)

4

=f(2n)−16

r=1

n

r

4

r=1

n

(2r−1)

4

=f(2n)−16f(

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