1.

The 20th term of the series 2 x 4 + 4 x 6 + 6 x 8 to infinity will be

Answer»

Answer:

40 x 42

Step-by-step EXPLANATION:

We can WRITE the terms as


2n x 2n+2



So the 20TH term would be

(2 x20)x((2 x 20)+2)


Which would be 40 x 42 = 168


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