Question 86 (i)

Using suitable identities, evaluate the following:

$(52)^{2}$

Open in App

Solution

We have,
$(52)^{2} = (50 + 2)^{2}$
$= (50)^{2} + (2)^{2} + 2 \times 50 \times 2$ [using the identity, $(a + b)^{2} = a^{2} + b^{2} = a^{2} + b^{2} + 2 a b$ ]
$= 2500 + 4 + 200 = 2704$

Suggest Corrections

Similar questions

Question 86 (i)

Using suitable identities, evaluate the following:

$(52)^{2}$

Question 86 (ii)

Using suitable identities, evaluate the following:

$(49)^{2}$

Question 86 (iv)

Using suitable identities, evaluate the following:

$(98)^{2}$

Question 86 (iii)

Using suitable identities, evaluate the following:

$(103)^{2}$

Question 86 (xiii)

Using suitable identities, evaluate the following:

$(9.9)^{2}$

Join BYJU'S Learning Program

Explore more

Join BYJU'S Learning Program