`11^(2)+12^(2)+13^(2)+ cdots +32^(2)`=

Find the value of 11^(2)+12^(2)+13^(2)+...+20^(2)

(11^2 + 12^2 + 13^2 + …+ 20^2) = ?

Let A= {1,2,3}, we define R_(1)= {(1,2), (3,2), (1,3) } and R_(2)= {(1,3), (3,6), (2,1), (1,2) }. Then which of the relation on A is not coR Rect ?

Write the n terms of the series (3)/(7.11^(2))+(5)/(8.12^(2))+(7)/(9.13^(2))+ …...

Let A = (1,2,3) and R = (1,1), (2,2), (1,2), (2,1), (1,3) then R is

Write down the range of the relation R = (1,1), (1,2), (3,2), (4,2) defined on the set (1,2,3,4)

Find the value of : |(1,1^2,1^3),(1,2^2,2^3),(1,3^2,3^3)|

The numerical value of (4)/(3) cot^(2)30^(@)-2csc^(2)60^(@)-(3)/(4) tan^(2)30^(@)= A) 11//16 B) 16//11 C) 13//12 D) 6//11

If A= |(3,2,-1),(1,0,2),(-2,1,2)| Prove that (i) a_(11)A_(11)+a_(12)A_(12)+a_(13)A_(13)=det(A) (ii) a_(21)A_(11)+a_(22)A_(12)+a_(23)A_(13)=0