Question

if a,b,c,d are in proportion. prove that abcd(1/a^2+1/b^2+1/c^2+1/d^2)=a^2+b^2c^2+d^2

Answer 1

Answer:

6199

Step-by-step explanation:

yes 2×+23+5+2++4++3+3+2+3+3+3+

Answer 2

Answer:

6199

Step-by-step explanation:

yes 2×+23+5+2++4++3+3+2+3+3+3