Question

Infinite series √2-1/√2+1/2√2-1/4√2

Answer 1

Step-by-step explanation:

This is an infinite geometric progression where ‘a’(first term) is 1,r is 1/√2

S=a/1-r

S=1/1–(1/√2)

S=√2/√2–1

S=√2(√2+1)/(√2+1)(√2−1)

S=√2(√2+1)

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