Subject
Bank Exam
Topic
উত্তরা ব্যাংক (প্রবেশনারি অফিসার) - ০৯.১১.২০২৪
Find the value of the mathematical expression (√3 + √2)³ + (√3 - √2)³?
Find the value of the mathematical expression (√3 + √2)³ + (√3 - √2)³?
ক)
√3খ)
3√3গ)
9ঘ)
18√3Explanation
(√3 + √2)³ + (√3 - √2)³ = (√3)³ + 3.(√3)².√2 + 3.√3.(√2)² + (√2)³ + (√3)³ - 3.(√3)².√2 + 3.√3.(√2)² - (√2)³ = 3√3 + 9√2 + 6√3 + 2√2 + 3√3 - 9√2 + 6√3 - 2√2 = 6√3 + 12√3 = 18√3Related questions
X can do a piece of work in 24 days. When he had worked for 4 days, Y joined him. If the work was completed in 16 days, Y alone can finish that work in:'কথাসাহিত্য' বলতে কোনটি বোঝায়?A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 liters of mixtures are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many liters of liquid A was contained by the can initially?কোনটি অব্যয়ীভাব সমাস?If simple interest on Tk. 600 for 4 years and on Tk. 600 for 2 years combined is Tk. 180, find the rate of interest.'বর্ণপরিচয়' এর লেখক কে?A committee of 5 members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways can this be done if the committee should have 2 trainees 1 and 2 research associates?'দুর্গেশনন্দিনী' শব্দের অর্থ কী?
