Verified by Ajay Kumar
Simplify the expression: (√3 + √5)² + (√3 − √5)² + 2(√3 + √5)(√3 − √5)
15
10
18
12
Answer: D
Solution
Let a = √3 + √5 and b = √3 − √5. Using a² + b² + 2ab = (a + b)², the expression becomes (2√3)² = 12.
व्यंजक को सरल कीजिए: (√3 + √5)² + (√3 − √5)² + 2(√3 + √5)(√3 − √5)
15
10
18
12
उत्तर: D
हल
a = √3 + √5 और b = √3 − √5 मानें। a² + b² + 2ab = (a + b)² के अनुसार व्यंजक = (2√3)² = 12।
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