If b is the mean proportion between a and c, show that: \frac{a^4+a^2 b^2+b^4}{b^4+b^2 c^2+c^4}=\frac{a^2}{c^2}

ICSE Class X Math 2017 Solved Paper - Question 1

SECTION A (40 Marks)

Attempt all questions from this Section.

Question : 1 of 31

Marks: +1, -0

b

is the mean proportion between

a

and

c

, show that:

\;{a^4+a^2 b^2+b^4}/{b^4+b^2 c^2+c^4}=\;{a^2}/{c^2}

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