Question

ABCD is a rectangle diagonals intersect at O find x if OA= 5 x + 1 and OD=
2 + 4 x​

Answer 1

Here

OA/OB=OB/OD

by cross multiplying

${ob }^{2} = \frac{oa}{od}$

Divide both then you get answer

sorry i'm busy now to solve that