The positive root of root 3x raised to 2 + 6 = 9 is : (a) 3 (b) 4 (c) 5 (d) 7
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So,
The question is
√(3x² +6) =9
Squaring both sides
3x² +6 =81
3x² =81-6
3x² =75
x² =25
x=√25
x=5
So,
The positive root is 5 which is option B)
The question is
√(3x² +6) =9
Squaring both sides
3x² +6 =81
3x² =81-6
3x² =75
x² =25
x=√25
x=5
So,
The positive root is 5 which is option B)
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