Factor the expression. : 25s² - 4r²
What will be an ideal response?
25s² - 4r² = (5s-2r)(5s+2r)
Mathematics
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Determine convergence or divergence of the series.
A. Diverges B. Converges
Mathematics
Verify the identity.
= tan 
cot 
What will be an ideal response?
Mathematics
Insert parentheses where needed so that the expression evaluates to the given number.8 ? 18 ÷ 3 - 9; evaluates to 39
A. 8 ? (18 ÷ 3 - 9) B. (8 ? 18) ÷ (3 - 9) C. 8 ? 18 ÷ (3 - 9) D. 8 ? (18 ÷ 3) - 9
Mathematics
Simplify the expression.
?
?
A. 
B. 
C. 0
D. 
E. 
Mathematics