Question:
a+b =12, ab= 22 ആയാൽ a² + b² എത്രയാണ്?
A188
B144
C34
D100
Answer:
D. 100
Explanation:
a+b =12, ab= 22 a² + b² = (a+b)² - 2ab = 12² - 2× 22 = 144 - 44 = 100
Question:
A188
B144
C34
D100
Answer:
a+b =12, ab= 22 a² + b² = (a+b)² - 2ab = 12² - 2× 22 = 144 - 44 = 100
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