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
Answers
Answered by
2
Answer:
6199
Step-by-step explanation:
yes 2×+23+5+2++4++3+3+2+3+3+3+
Answered by
0
Answer:
6199
Step-by-step explanation:
yes 2×+23+5+2++4++3+3+2+3+3+3
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