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Answers
Given:
Value of x = 2/3, y = -5/6 and z = 5/9.
To Verify:
x*(y+z) = (x*y)+(x*z)
Verification:
Put the values in the given equation.
=> x*(y+z) = (x*y)+(x*z)
=> 2/3*[(-5/6)+5/9] = [(2/3)*(-5/6)]+[(2/3)*(5/9)]
Now, take the LCM of 6 and 9.
LCM of 6 and 9 is 18.
=> 2/3*[(-5*3)+(5*2)/18] = [(2*(-5)/3*6]+(2*5/3*9)
=> 2/3*(-15+10/18) = (-10/18)+(10/27)
Now, take the LCM of 18 and 27.
LCM of 18 and 27 is 54.
=> 2/3*(-5/18) = (-10*3+10*2/54)
=> 2*(-5)/3*18 = -30+20/54
=> -10/54 = -10/54
=> -5/27 = -5/27
=> LHS = RHS
Hence verified.
Given :
Verify :- x × (y + z) = (x × y) + (x × z)
where, x = 2/3, y = -5/6, z = 5/9
Solution :
Let us put the values in the equation to check whether it is equivalent or not :
Putting the values we get
For the left hand side the L.C.M is 18
Now, taking the L.C.M on the right hand side which is 27
Shortcut trick :
- x × (y + z) = (x × y) + (x × z)
- x(y + z) = xy + xz
By factorising the right hand side we get
- x(y + z) = x(y + z)
- LHS = RHS
Hence, Verified ✓✓