The product of `2 (3)/(4) and - 5 (6)/(7) is (- 451)/(7k).` Find k.

Find the product of - 2 (3)/(4) and 5 (6)/(7) .

If 2 (3)/(4) - (5)/(8) + (-5)/(12) + 1 (1)/(6) = k, then find k.

The scalar product of 5i + j – 3k and 3i – 4j + 7k is:

The slope of the line joining the points (2, k -3) and (4 , -7) is 3 . Find k

The value of ((7)/(8) div 5(1)/(4) xx 7(1)/(5) - (3)/(20) " of " (2)/(3)) div (1)/(2) + ((3)/(5) xx 7(1)/(2) + (2)/(3) div (8)/(15)) is equal to 7+k , where k =

The projection of the line joining (2,3,4) and (5,6,7) on the plane 2x+y+z=1 is sqrt(k) then k=

prod_ (k = 1) ^ (6) (sin ((2k pi) / (7)) - i cos ((2k pi) / (7))) =