Question
Simplify : $(5 a+3 b)^2-(5 a-3 b)^2-60 a b$
✓
Answer
$0 \quad$
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 sum of money will amount to $Rs. 5,445$ in $2$ years at $10\%$ per annum compound interest ?
→Can you construct a $\triangle ABC$ in which $AB =5 cm, BC =4 cm$ and $AC =9 cm$ ? Give reason.
→Factorise:
$5 x^2-20 x y$
→$5 x^2-20 x y$
Find the range of the data : 5, 7, 16, 21, 8, 10
Solve for $x$ :
$\log \left(x^2-21\right)=2$
→$\log \left(x^2-21\right)=2$
Draw the graph of:
y = 2x
y = 2x
Find the mean of the first ten odd numbers.
In the given figure, $A B C D$ is a parallelogram, $E$ is the mid-point of BC . DE produced meets AB produced at L . Prove that:
(i) $AB = BL$
(ii) $AL =2 DC$.
→(i) $AB = BL$
(ii) $AL =2 DC$.
Without using trigonometric tables, find the values of :
$\sin 60 \cos 30+\cos 60 \sin 30$
→$\sin 60 \cos 30+\cos 60 \sin 30$
Simplify:
$\frac{a+b+c}{\left(a^{-1} b^{-1}+b^{-1} c^{-1}+c^{-1} a^{-1}\right)}$
→$\frac{a+b+c}{\left(a^{-1} b^{-1}+b^{-1} c^{-1}+c^{-1} a^{-1}\right)}$