The sum of squares of two number is 80 and the squre of difference between the two number is 36. Find the product of two number.

Created: 9 months ago | Updated: 3 months ago

১১

২২

৩৩

Job Solution বুয়েট ও অন্যান্য পরীক্ষা বাখরাবাদ গ্যাস ডিস্ট্রিবিউশন কোম্পানী লিমিটেড (BGDCL) || সহকারী প্রকৌশলী (মেকানিক্যাল, সিভিল, কম্পিউটার ও ইলেকট্রিক্যাল) (15-03-2024) গণিত

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Let the number be a and b.
Then, a² + b² = 80
and (a - b)²= 36
⇒ a² + b² - 2ab = 36
⇒ 2ab = (a² + b²)-36
= 80 - 36= 44
∴ Product = ab = 22

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A right-angled triangle has a hypotenuse of length 10 cm and one of its acute angles measures $30^{\circ} .$ What are the lengths of the other two sides?

Created: 9 months ago | Updated: 3 months ago

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Job Solution বুয়েট ও অন্যান্য পরীক্ষা Bangladesh Oil, Gas and Mineral Corporation (Petrobangla) || Assistant Manager (Electrical / Electronics/Chemical/Petroleum/Petroleum & Mining/IPE/ MME/Naval Architechture/ Telecom/ Geology/Geophysics/Chemistry/Environment/Marketing) (31-05-2024) গণিত

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The sum of squares of two number is 80 and the squre of difference between the two number is 36. Find the product of two number.

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