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If 
is equal to
is equal to - a)
- b)
- c)
- d)
Correct answer is option 'B'. Can you explain this answer?
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Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain thi...
(u × v) = a square - b square , now mod of (u × v) = √( a to the power 4 + b to the power 4 + 2 (ab) square cosx ) . So ab cosx will give (a.b); now the determination of the value is much easy
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Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain thi...
∣u × v∣=∣(a − b) × (a + b)∣
=2∣a × b∣ (∵a × a = b × b = 0)
and ∣a × b∣2 + (a ⋅ b)2
=(ab sinθ)2 + (abcosθ)2
=a2b2
⇒∣a×b∣ = a2b2−(a ⋅ b)2
So, ∣u × v∣ = 2∣a × b∣
=2[a ^ 2b2 − (a ⋅ b)2]1/2
=2[(2)2(2)2−(a⋅b)2]1/2
=2(16−(a⋅b)2)1/2
∴∣a∣=∣b∣=2
=2∣a × b∣ (∵a × a = b × b = 0)
and ∣a × b∣2 + (a ⋅ b)2
=(ab sinθ)2 + (abcosθ)2
=a2b2
⇒∣a×b∣ = a2b2−(a ⋅ b)2
So, ∣u × v∣ = 2∣a × b∣
=2[a ^ 2b2 − (a ⋅ b)2]1/2
=2[(2)2(2)2−(a⋅b)2]1/2
=2(16−(a⋅b)2)1/2
∴∣a∣=∣b∣=2
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Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain this answer?
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Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain this answer?.
Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Ifis equal toa)b)c)d)Correct answer is option 'B'. Can you explain this answer?.
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