Subject
Bank Exam
Topic
NCC Bank Ltd. 2011 (MTO)
(4+√5)(4-√5) is equal to:
(4+√5)(4-√5) is equal to:
ক)
-1খ)
0গ)
11ঘ)
21Explanation
(4+√5)(4-√5) =(4)2-(√5)2 =16-5 =11Related questions
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