The Value of the expression 2s³ - 4r² by substituting the given values into the expression is 246
Given the equation ; 2s³ - 4r²
- Value of r = 1 ; value of s = 5
To solve, substitute the values of r and s into the equation :
2(5)³ - 4(1)²
2(5 × 5 × 5) - 4(1 × 1)
2(125) - 4(1)
250 - 4
= 246
Therefore, the final value of the expression by substituting the value of r and s as 1 and 5 respectively is 246
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