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Q.

If the value of z is 10, then the value of (z3- 3z+30) is ____.


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Detailed Solution

If the value of z is 10, then the value of (z3- 3z+30) is 1000.
To find the value of an expression, substitute the value of the variables present.
⇒z3- 3z+30 ⇒103- 3×10+30 ⇒1000 - 30+30     ⇒1000 Therefore, the required integer is 1000.
 
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