please solve this question
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HELLO DEAR,
given that:-
2x+1/3x=5
now squaring both side
We get,
(2x)²+(1/3x)²+2 × 2x × 1/3x =5²
=> 4x² + 1/9x² +4/3=25
=> 4x²+ (1/9x²) =25 - 4/3
=> 4x² + (1/9x²) =(75-4)/3
=> 4x² + (1/9x²) =71/3
Hence, option (b) is correct
I HOPE ITS HELP YOU DEAR,
THANKS
given that:-
2x+1/3x=5
now squaring both side
We get,
(2x)²+(1/3x)²+2 × 2x × 1/3x =5²
=> 4x² + 1/9x² +4/3=25
=> 4x²+ (1/9x²) =25 - 4/3
=> 4x² + (1/9x²) =(75-4)/3
=> 4x² + (1/9x²) =71/3
Hence, option (b) is correct
I HOPE ITS HELP YOU DEAR,
THANKS
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