Question Simplify the expression 4πd2 Evaluate π×4d2Solution 4πd2 Show Solution Find the roots d=0 Evaluate π×4d2To find the roots of the expression,set the expression equal to 0 π×4d2=0Multiply the terms 4πd2=0Simplify πd2=0Rewrite the expression d2=0Solution d=0 Show Solution