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If ab-2cd = p; 6cd-3ab=1; what is the value of p?

Created: 7 years ago | Updated: 1 day ago

Updated: 1 day ago

-3

-1/3

1/3

3

None of these

Mercantile Bank Ltd Mercantile Bank Ltd - Officer - 2006 গণিত সাধারণ সূত্রাবলী (General formulas)

Des

571

Best Ans:

প্রশ্ন: If ab-2cd = p; 6cd-3ab=1; what is the value of p?

Given That ,

6cd - 3ab = 1

⇒ 3(2cd - ab) = 1

⇒ 2cd - ab = $\frac{1}{3}$

another equation is,

ab - 2cd = p

⇒ -1(2cd - ab)= p

⇒ - $\frac{1}{3}$ = p (putting the value of 2cd - ab)

Ans: P = - $\frac{1}{3}$

2 years ago

0 0

Nirban Das.

গণিত

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