
Pls help solve. Thanks
Pls help solve. Thanks
8. 65p = y
36 10p = (62 ) 10p = 620p = (65p )4 = y4
9. (x2n+1 ) (-1)2n+1 (x2n-1 )
= (-1)2n+1 ( x2n+1+2n-1 )
= (-1)2n+1 (x4n ) = – (x4n )
since n is a positive integer, 2n+1 is an odd number, hence (-1)2n+1 = -1 .
10. ( 5n+2 – 5n ) / [5n+2 – 25(5n+1 ) ] = 5n ( 52 – 1 ) / [5n 52 – 52 (5n+1 ) ]
= 5n ( 25 – 1 ) / [5n ( 52 – 52 +1 )
= 24 / (25-125)
= – (24 /100 )
= – (6/25)