Question

a+b=4,a-b=2 then find a2-b2=?​

Answer 1

Answer:

8

Step-by-step explanation:

a+b=4

a-b=2

Subtract both

a+b-(a-b) =4-2

2b=2

b=1

a+b=4

A+1=4

a=3

So, a²-b²

= 3²-1²

9-1

=8 Ans

Please Mark this answer as the BRANIEST answer of this question

Answer 2

Answer:

8

Step-by-step explanation:

Given,

a+b = 4 and a-b = 2

Question:

${a}^{2} - {b}^{2}$

Solution:

${a}^{2} - {b}^{2}$

= (a+b) (a-b)

= 4 × 2. [Putting value of a+b = 4 and a-b = 2]

= 8 (Ans)