Simplify : $- (- 11)^{2} + (- 10)^{2}$

221

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- 21

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

21

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- 221

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $- 21$
$= - (- 11)^{2} + (- 10)^{2}$
$= - [- 11 \times - 11] + [- 10 \times - 10]$
$= - 121 + 100 = - 21$

Suggest Corrections

Similar questions

x = ∣ ∣ ∣ ∣ \begin{matrix} - 1 - 2 - 2 21 - 2 2 - 21 \end{matrix} ∣ ∣ ∣ ∣

x =

A = [\begin{matrix} - 1 & - 2 & - 2 \\ 2 & 1 & - 2 \\ 2 & - 2 & 1 \end{matrix}]

{⎛ ⎜ ⎝ \frac{12^{\frac{1}{5}}}{22^{\frac{1}{5}}} ⎞ ⎟ ⎠}^{\frac{5}{2}}

1 + (1 + \frac{1}{2}) (\frac{1}{3}) + (1 + \frac{1}{2} + \frac{1}{2^{2}}) (\frac{1}{3^{2}}) + . . . . . \infty

Join BYJU'S Learning Program