Subject
Bank Exam
Topic
উত্তরা ব্যাংক (প্রবেশনারি অফিসার) - ০৯.১১.২০২৪
Let the functional relationship between y and x be given by y = √3√x. What will be the value of y if x = -27?
Let the functional relationship between y and x be given by y = √3√x. What will be the value of y if x = -27?
ক)
9খ)
3গ)
9iঘ)
3iExplanation
y = √3√x ⇒ y = √3.√-27 ⇒ y = √3.√{27.(-1)} ⇒ y = √3.√(9.3.i²) [∵ i² = -1] ⇒ y = √3.3i.√3 ⇒ y = 3i.3 [∵ √3.√3 = 3] ⇒ y = 9iRelated questions
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