Question

((1.5)²-(1.2)²)/(1.5 + 1.2) ന്റെ വില എന്ത് ?

• A. 2.7
• B. 0.7
• C. 1.5
• D. 0.3

Answer 1

Answer:

D. 0.3

a² - b² = (a+b)(a-b) ((1.5)²-(1.2)²)/(1.5+1.2) =(1.5 -1.2)(1.5 + 1.2)/(1.5 + 1.2) = (1.5 - 1.2) =0.3