December 5, 2024 by AdminAngle between the vectors a = 8i – 5j 4k and b = 5i + 4j – k38.8 degree48.8 degree60 degree68.8 degree Show Correct AnswerExplanation: Angle between the vectors is 68.8 degreeRelated posts:Given, x is a real number. What is the minimum value of x ^ 2 – 3x + 5!A spherical water tank is made of thin metal sheet and requires m^2 of sheet. The tank can contain a maximum of W kg of pure water where W isA father is 30 times older than his son. 18 years later, he will be only thrice as old as his son. What is the present age of the father?সমবাহু ত্রিভুজের বাহুর দৈর্ঘ্য ৬ মিটার হলে, ত্রিভুজটির ক্ষেত্রফল হবে-
