MCQ
The value of $(2+\sqrt{3})(2-\sqrt{3})$ in.
- A$-1$
- B$2$
- CNone of these.
- ✓$1$
We know the formula $a^2-b^2 = (a - b) (a - b)$
Here put $\text{a}=2$ and $\text{b}=\sqrt{3}$
So, $2^2-(\sqrt{3})^2=4-3=1$
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|
Marks
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More than $89$
|
More than $79$
|
More than $69$
|
More than $59$
|
|
Cumulative frequency
|
$8$
|
$18$
|
$30$
|
$65$
|