Maths
Find the nature of the roots of 2x²-√2x-5
(A) Real and distinct
(B) Real and equal
(c) Not real
(0) None of the above.
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Maths
Find the nature of the roots of 2x²-√2x-5
(A) Real and distinct
(B) Real and equal
(c) Not real
(0) None of the above.
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Verified answer
Step-by-step explanation:
plz see the attachment
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STEP
1
:
Equation at the end of step 1
(2x2 - 2x) - 5 = 0
Equation at the end of step
2
:
2x2 - 2x - 5 = 0
Two real solutions:
x =(2+√44)/4=(1+√ 11 )/2= 2.158
or:
x =(2-√44)/4=(1-√ 11 )/2= -1.158
Two solutions were found :
x =(2-√44)/4=(1-√ 11 )/2= -1.158
x =(2+√44)/4=(1+√ 11 )/2= 2.158
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