If ( a +
b. = 7 : 3, them ( a² + b² ) : ( a² – b² ) is equal to –
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Hey there!
Given,
a : b = 7 : 3
Squaring on both sides;
a² : b² = 7² : 3² = 49 : 9
Now, Use componendo & dividendo together.
a² + b² / a² - b² = 49 + 9 / 49 - 9
a² + b² / a² - b² = 58/40
a² + b² / a² - b² = 29/20
Hope helped!
Given,
a : b = 7 : 3
Squaring on both sides;
a² : b² = 7² : 3² = 49 : 9
Now, Use componendo & dividendo together.
a² + b² / a² - b² = 49 + 9 / 49 - 9
a² + b² / a² - b² = 58/40
a² + b² / a² - b² = 29/20
Hope helped!
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