Compute the value of ${8.2}^{2} - {1.8}^{2}$

62.6

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

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

64.2

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

62.4

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

Open in App

Solution

The correct option is B
64

The given expression is

${8.2}^{2} - {1.8}^{2}$ which can be written as

$= (8.2 + 1.8) (8.2 - 1.8) [a^{2} - b^{2} = (a + b) (a - b)]$

$= 10 \times 6.4$

$= 64$

Suggest Corrections

Similar questions

Compute the value of ${9.2}^{2} - {0.8}^{2}$

Find the value of $(1.8)^{2} \times (0.5)^{2}$

The value of expression $(1.8)^{2} \times (0.5)^{2}$ is

Compute the value of $34^{2} - 6^{2}$

Join BYJU'S Learning Program