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4x square + 3x +5 solve …

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4x square + 3x +5 solve this by using method of completing square

Posted by Tushar Bajaj 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Rithika Mishra 6 years, 1 month ago

4x²+3x+5=0 X²+3/4x+5/4=0 X²+3/4x+(3/8)²-(3/8)²+5/4=0 X²+3/8-9/64+5/4=0 X²+3/8=9/64-5/4 X²+3/8=71/64 X+3/8=±√71/8 For positive.... X+3/8=√71/8 X=√71/8-3/8 X=√71-3/8 For negative.... X+3/8=-√71/8 X=-√71/8-3/8 X=-√71-3/8 Hope u understand it....?

0Thank You

Abir Pateria 6 years, 1 month ago

Completing the squre method is removed by cbse nt to study

0Thank You

Aditya Thakur 6 years, 1 month ago

(x+3/8)=+-√-28/32..... This is the answer I m getting ...

0Thank You

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CBSE > Class 10 > Mathematics