Question
Using suitable identities, evaluate the following.
$(52)^2$
$(52)^2$
✓
Answer
$(52)^2$
$= (50 + 2)^2$
$= (50)^2+ (2)^2+ 2 × 50 × 2$
$= 2500 + 4 + 200$
$= 2704$
$= (50 + 2)^2$
$= (50)^2+ (2)^2+ 2 × 50 × 2$
$= 2500 + 4 + 200$
$= 2704$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What number should be added to $\frac{-5}{11}$ so as to get $\frac{26}{3}?$
→Find the measure of each exterior angle of a regular polygon of $9$ sides.
→Find the selling price when. $CP = Rs. 875$ and loss $\% = 12\%$
→Using suitable identities, evaluate the following. $(35.4)^2- (14.6)^2$
→Find the square root of the following by long division method: $97344$
→Subtract: $\frac{3}{4}\ \text{from}\ \frac{1}{3}$
→For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.
Factorise: $y^2+7 y-144$
→Factorise : $ax + bx – ay – by$
→Factorise: $p^4– 81$
→