The value of `1/6.10+1/10.14+1/14.18+.....oo` equals to

((1)/(1.4 )+ (1)/(4.7 ) +(1)/(7.10 )+(1)/(10.13 )+(1)/(13.16)) is equal to

1/7+4/14 is equal to

If \ ^(43)C_(r-6)=\ ^(43)C_(3r+1)\ then the value of r is a. 12 b. 8 c. 6 d. 10 e. 14

The following observations are given : (1,4), (2, 8), (3, 2), (4,12), (5,10), (6,14), (7,16), (8,6), (9,18). Estimate the value ofy when the value of x is 10 and also estimate the value ofx when the value of y = 5

The continued product 2.6.10.14….. ( n times) in equal to

The value of cos^(-1)(cos(14pi/6)) is

The sum of the series 1+(1)/(6)+(1)/(18)+(1)/(324)+......oo, is

1- (1) / (5) + (1.4) / (5.10) - (1.4.7) / (5.10.15) + ... oo =

What is the value of [10(1)/(3) div (5)/(3) (10 + 14 div 3 - 1)] ?