The product of -2-7andis 0

Given, one number = 2/7and the product =0Then another number =0÷ 2/7=0×7/ 2=0We know that 0is the number when multiply with any number it gives the result 0.Hen ...

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Standard VIII

Mathematics

Expanding a Rational Number Using Powers

The product o...

Question

The product of $\frac{- 2}{7}$ and_____is $0$

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Solution

Given, one number $= \frac{- 2}{7}$
and the product $= 0$
Then another number $= 0 \div \frac{- 2}{7} = 0 \times \frac{7}{- 2} = 0$
We know that $0$ is the number when multiply with any number it gives the result $0$ .
Hence, the required number is $0$

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Divide the sum of $\frac{13}{5}$ and $\frac{- 12}{7}$ by the product of $\frac{- 31}{7}$ and $\frac{1}{- 2}$

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Find the equation of family of circles through the intersection of $x^{2} + y^{2} - 6 x + 2 y + 4 = 0$ and $x^{2} + y^{2} + 2 x - 4 y - 6 = 0$ whose center lies on $y = x .$

Using special products, simplify :

$(x^{2} - \frac{2}{7}) (x^{2} + \frac{3}{7})$

Q. Question 124(iv)
Name the property used here:

\frac{- 2}{7} + 0 = 0 + \frac{- 2}{7} = - \frac{2}{7}

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The product of -27and_____is 0

Given, one number =-27and the product =0Then another number =0÷-27=0×7-2=0We know that 0is the number when multiply with any number it gives the result 0.Hence, the required number is 0

The product of $\frac{- 2}{7}$ and_____is $0$

Given, one number $= \frac{- 2}{7}$
and the product $= 0$
Then another number $= 0 \div \frac{- 2}{7} = 0 \times \frac{7}{- 2} = 0$
We know that $0$ is the number when multiply with any number it gives the result $0$ .
Hence, the required number is $0$