exam Maths Puzzle Numerical Ability

Solve for R1:

1/F = (n-1)(1/R1-1/R2)

Read Solution (Total 0)

exam Other Question

how i can graph 5x+2y+6=0
i rewrite the equation to y=-5/2x-3
the y intercpet is -3
the slope is-5/2
the x intersept is -6/5 (4|5-3|2)(2|5+4|2) im stuck on this problem and need some help thanks