8.
If a, x,x,,x.... and b, y, y,,.
and b. y,, Y,,....
form two infinite GP's with same commonratio 'r' then the locus ofP(h,k)
when h= x,xzxz.... X, and k = Vy;y;y;
1) bx-ay = 0
2) bx+ay= 0
3) ax+by = 0
4) ax-by = 0
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answer is 2
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