Evaluate: 10! - 6!

Evaluate: int sqrt(3x^2 -6x + 10) dx

Evaluate : |{:(a,a+b,a+b+c),(2a,3a+2b,4a+3b+2c),(3a,6a+3b,10a+6b+3c):}|

Yesterday Deba went to bed at 10:25 p.m. But today he woke up at 6 : 10 a.m. Let's find, how long he slept.

Find the value of : (8 sin ^3 10^@-6sin10^@)

Find the 24th term of the sequence: 12, 10, 8, 6,……

K_(sp) of CaSO_4*5H_2O is 9xx10^(-6) , find the volume for 1g of CaSO_4 (M.mass=136)

Find the value of the determinant |[1, 1, 1, 1],[ 1, 2, 3, 4],[ 1, 3, 6, 10 ],[1 ,4 ,10 ,20]|

Find the value of sin^(-1)(sin5)+cos^(-1)(cos10)+tan^(-1){tan(-6)}+cot^(-1){cot(-10)}

Base of a triangle is 9 and height is 5. Base of another triangle is 10 and height is 6. Find the ratio of areas of these triangles.