15(21)/(2)-(20)/(2)-10=0

(21)/(x^(2))-(29)/(x)-10=0

[[1,0,-13,4,50,-6,-7]]=[[(1)/(10),(3)/(10),(1)/(5)(21)/(20),-(7)/(20),-(2)/(5)-(9)/(10),(3)/(10),(1)/(5)]]

(21^(2)-15^(2))^(4/3)=

The value of (.^(21)C_(1) - .^(10)C_(1)) + (.^(21)C_(2) - .^(10)C_(2)) + (.^(21)C_(3) - .^(10)C_(3)) + (.^(21)C_(4) - .^(10)C_(4)) + … + (.^(21)C_(10) - .^(10)C_(10)) is (A) 2^(21) - 2^(11) (B) 2^(21) - 2^(10) (C) 2^(20) - 2^(9) (D) 2^(20) - 2^(10)

For the following relation R = {(0,0),(0,1),(1,1),(2,1),(2,2),(2,0),(1,0), (0,2),(0,1) }

The 15 th term of the series 2(1)/(2)+1(7)/(13)+1(1)/(9)+(20)/(23)+...is(10)/(39) b.(10)/(21) c.(10)/(23) d.none of these

The 15th term of the series 2 1/2+1 7/(13)+1 1/9+(20)/(23)+ i s (10)/(39) b. (10)/(21) c. (10)/(23) d. none of these

Find the difference of (21)/(25)\ a n d(18)/(20) (ii) 3 3/(10)\ a n d\ 2 7/(15)

Find the difference of (21)/(25)\ a n d(18)/(20) (ii) 3 3/(10)\ a n d\ 2 7/(15)