Question
Download Solution PDFसरळ रुप द्या :
This question was previously asked in
UPSSSC PET Official Paper (Held on: 16 October 2022 Shift 2)
Answer (Detailed Solution Below)
Option 1 : 4
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Download Solution PDFदिलेल्याप्रमाणे:
वापरलेले सूत्र:
(a + b)2 - (a - b)2 = 4ab
गणना:
(a + b)2 - (a - b)2
⇒ a2 + b2 + 2ab - {a2 + b2 - 2ab}
⇒ 2ab + 2ab = 4ab
आता,
⇒
∴ उत्तर 4 आहे
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