If (4a^2 + 7b^2) : (4a^2 - 7b^2) = (4c^2 + 7d^2) : (4c^2 - 7d^2), prov

1.	If (4a^2 + 7b^2) : (4a^2 - 7b^2) = (4c^2 + 7d^2) : (4c^2 - 7d^2), prove that a:b = c:d
Answer» ANSWER: PLEASE mark me add brilliant Step-by-step EXPLANATION: proved a:B::c:d if 4a+7b/4c+7d=4a-7b/4c-7d. If a, b, c, d are in PROPORTION, then prove that a²+5c²/b²+5d²=a/b ... or proved a:b::c:d if 4a+7b/4c+7d=4a-7b/4c-7dStep-by-step explanation:4a+7b/4c+7d=4a-7b/4c-7d(4a+7b)(4c ...

If (4a^2 + 7b^2) : (4a^2 - 7b^2) = (4c^2 + 7d^2) : (4c^2 - 7d^2), prove that a:b = c:d

Answer»

ANSWER:

PLEASE mark me add brilliant

Step-by-step EXPLANATION:

proved a:B::c:d if 4a+7b/4c+7d=4a-7b/4c-7d. If a, b, c, d are in PROPORTION, then prove that a²+5c²/b²+5d²=a/b ...

proved a:b::c:d if 4a+7b/4c+7d=4a-7b/4c-7dStep-by-step explanation:4a+7b/4c+7d=4a-7b/4c-7d(4a+7b)(4c ...

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If (4a^2 + 7b^2) : (4a^2 - 7b^2) = (4c^2 + 7d^2) : (4c^2 - 7d^2), prove that a:b = c:d​

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If (4a^2 + 7b^2) : (4a^2 - 7b^2) = (4c^2 + 7d^2) : (4c^2 - 7d^2), prove that a:b = c:d