1.

8th term of the series 2√2+√2 +0+..... will be(a)-5√2(c) 10√2(b) 5√2(d) -10√2

Answer»

a = 2√2

d = √2-2√2 = -√2

8th term = 2√2 + (8-1)(-√2)

= 2√2-7√2

= -5√2



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