Simplify: `1/(1+(2/3)/(1+2/3+(8/9)/(1-2/3)))` . `(11)/(13)` (b) `(13)/(15)` (c) `(13)/(11)` (d) `(15)/(13)`

The value of (1-(1)/(3^(2)))(1-(1)/(4^(2)))(1-(1)/(5^(2)))ddot M(1-(1)/(11^(2)))(1-(1)/(12^(2))) is (11)/(20) (b) (13)/(15) (c) (13)/(18) (d) (15)/(16) (e) None of these

Simplify: 11r + 13 - 9r - 15

Simplify: ((13)/(9)x(-15)/(2))+((7)/(3)x(8)/(5))+((3)/(5)x(1)/(2))

Simplify: ((13)/9xx(-15)/2)+\ (7/3xx8/5)+(3/5xx1/2)

(16(2)/(5)-12(1)/(15))-:3(4)/(81)=?( a) 1(9)/(19) (b) 1(9)/(13)(c)2(8)/(13) (d) 3(2)/(19) (e) None of these

int sqrt(x)(1+x^(1/3))^(4)dx is equal to (A) 2{(1)/(9)x^(2/3)+(4)/(11)x^(11/6)+(6)/(13)x^(13/6) (B) 6{(1)/(9)x^(2/3)-(4)/(11)x^(11/6)+(6)/(13)x^(13/6) (C) 6{(1)/(9)x^(3/2)+(4)/(11)x^(11/6)+(6)/(13)x^(13/6)+(4/15)x^(5/2)+(1/17)x^(17/6) (D) 6{(1)/(9)x^(2/3)+(4)/(11)x^(11/6)+(6)/(13)x^(13/6)

3(5a-7)-2(9a-11)=4(8-13-1)

If A^(-1)=[(0,1,-2),(-2,9,-23),(-1,5,-13)],B^(T)=[11-5-3] and X=A^(-1)B , then X=

If A={:[(-3,-2),(-1,3)]:} , then A^(2)-11I =