1.

Find the 10th term of GP whose first term is 2 and 8th term is -256

Answer»

Step-by-step explanation:

a = 2

ar^7 = -256

2r^7 = -256

R^7 = -128

r^7 = (-2)^7

r = -2

10th term A(10) = ar^9 = 2(-2)^9 = 2(-512)

= -1024



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