Question

x + y = 6 ഉം x - y = 4 ഉം ആയാൽ xy എത്ര ?

• A. 2
• B. 5
• C. 10
• D. 24

Answer 1

Answer:

B. 5

Read Explanation:

x + y = 6 , x - y = 4 x = (6 + 4)/2 = 10/2 = 5 y = (6 - 4)/2 = 2/2 = 1 xy = 5

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