This method is
usual
Examples: Find the roots of the equation 5x2 - 6x - 2 = 0 by the method of completing
the square.
Answers
Answered by
7
Answer:
=5x^2-6x-2=0
=(√5x)^2-2×√5x×3/√5-2=0
=(√5x)^2-2×√5x×3/√5+(3/√5)^2-(3/√5)^2-2=0
=(√5x-3/√5)^2=9/5+2
=(√5x-3/√5)^2=19/5
=√5x-3/√5=√19/√5
=√5x=√19/√5+3/√5
=√5x=(√19+3)/√5
=x=(√19+3)/5 ANS
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