exam Maths Puzzle Numerical Ability

Find a value for k so that 9m(squared)- kn(squared) will have the factors 3m + 7n and 3m - 7n.

thanks

Read Solution (Total 0)

exam Other Question

how do u find the perimeter of a triangle with the angles of 12cm ,18cm, 19cm and a height of 12cm This subject is realy hard for me,

(3a+6)x + y = a
(a*+ a-2)x-y = 2

it says in the book that i have to find out:

1-one answer only
2-there is no answer
3-there is no en