Question

9. If a – b = 4 and a + b = 6; find :
(1) a² +6² (ii) ab​

Answer 1

Answer:

Step-by-step explanation:

By solving

A=5 B=1

(i) a^2 +b^2 = 26

(ii) ab = 5

Answer 2

Step-by-step explanation:

a-b=4,a+b=6

then,a=5 & b=1

5-1=4,5+1=6

then

1. a²+b²

• 5²+1²
• 25+1=26

2. ab

• 5×1
• 5

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