Find the surface area generated by rotating the lemniscate r² = 10cos2? about the line ? = ?.

What will be an ideal response?


Mathematics

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Write the Chinese numeral as a Hindu-Arabic numeral.

A. 520 B. 620 C. 920 D. 820

Mathematics

Simplify using the product rule of exponents.(-9x2)(-2x5)

A. -18x10 B. 18x7 C. -11x7 D. -11x10

Mathematics

Simplify.

A.  
B.  
C.  
D. - 

Mathematics

Find the total differential of the function. ?    ?

A.
B.
C.
D.
E.

Mathematics