Verifyx-y-x-y0ex0exIf x-5 and y-3

Here we have x ( y)=x+y0ex0exIf x=5 and y=3So, 5 ( 3)=5+30ex0ex⇒ 5+3=80ex0ex⇒ 8=8Hence verified ...

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Byju's Answer

Standard IX

History

Chandragupta Maurya

Verifyx--y=x+...

Question

Verify
$x - (- y) = x + y I f x = 5 a n d y = 3$

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Solution

Here we have
$x - (- y) = x + y I f x = 5 a n d y = 3$
So,
$5 - (- 3) = 5 + 3 \Rightarrow 5 + 3 = 8 \Rightarrow 8 = 8$
Hence verified

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Q. Find the following product and verify the result for x = − 1, y = − 2:
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$Verify that x \times (x - z) = x \times y - x \times z, i f (i) x = \frac{4}{5}, y = - \frac{7}{4} ~ a n d z = 3 (i i) x = \frac{3}{4}, y = \frac{8}{9} ~ a n d z = - 5$

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Q. Question 105(ii)
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Verifyx-(-y)=x+yIfx=5andy=3

Here we have x-(-y)=x+yIfx=5andy=3So, 5-(-3)=5+3⇒5+3=8⇒8=8Hence verified

Verify
$x - (- y) = x + y I f x = 5 a n d y = 3$

Here we have
$x - (- y) = x + y I f x = 5 a n d y = 3$
So,
$5 - (- 3) = 5 + 3 \Rightarrow 5 + 3 = 8 \Rightarrow 8 = 8$
Hence verified