Question

(6.4²-3.6²) / 2.8 എത്ര ?

• A. 1
• B. 10
• C. 28
• D. 100

Answer 1

Answer:

B. 10

Read Explanation:

(a2 - b2) = (a+b) (a-b)

(6.4²-3.6²) = (6.4 + 3.6) (6.4 - 3.6)

= 10 x 2.8

= 28

(6.4²-3.6²) / 2.8 = 28 / 2.8

= 280/28

= 10

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