Find the product of :
`1.6 mn^(2) and 0.2 m^(2) n `

Find the product: (5/6a^2-2)(5/6a^2+2)

Find the value of theta, " if " m^(2) sin . Pi/2 - n^(2) sin . (3pi)/2 + 2 mn sec theta = (m-n)^(2) , 0 le theta le pi .

If m = root(3)(15) and n = root(3)(14) , find the value of m - n - (1)/(m^(2) + mn + n^(2))

Find the value of the products: (3m-2n)(2m-3n)a t\ m=1,\ n=-1

The lengths of the perpendiculars from the points (m^(2), 2m), (mn, m+n) and (n^(2), 2n) to the line x+sqrt3y+3=0 are in

If m = 1, n = 2 and p = -3, find the value of : 2mn^(4)-15m^(2)n+p

If tan A + sin A = m and tan A - sin A = n, prove that : m^(2) - n^(2) = 4 sqrt (mn)

The direction cosines of two lines satisfying the conditions l + m + n = 0 and 3lm - 5mn + 2nl = 0 where l, m, n are the direction cosines. The value of lm+mn + nl is

Find the sign of the product if we multiply: i. 2m+1 times (-1) where m is a natural number. ii. 2n positive numbers and 2m+1 negative numbers iii. 2n+1 positive numbers and 2m negative numbers

Find the solution of the quadratic equation 2x^(2)-mx-25n=0 , if m+5=0 and n-1=0 .