Bhaiyo Sahi Javab Dooo Jaldi If a = ✓5+✓2/✓5-✓2 and b = ✓5- ✓2/✓5+✓2 , show that 3a^2 + 4ab - 3b^2 = 4+ 56/3✓10
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Answer:
the answer is 4+5/3 √10
Step-by-step explanation:
a+b= 14/3
a-b = 4√10/3
ab = 1
3a²+4ab-3b²=0
3a²-3b²+4ab=0
3(a²+b²)+4ab=0
3(a+b)(a-b)+4a=0
3(14/3)(4√10/3) +4×1= 0
therefore the answer is
4+5√10/3
4+5√10/3pls mark it as brillant and pls like and comment
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