Part 3 - Double Up Staircase This is a "double up" staircase. It is made from putting two "up" staircases together. 1) How many more cubes are required to make a 4 high "double up" staircase from a 4 high "up and down" staircase? 2) How many cubes would be needed to make a 20 high "double up" staircase? 3) How many cubes would be needed to make an n high "double up" staircase?

Q: 3y² - 2y-1 (-)-5y²- 2y +6

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Q: 2) 36³x=¹

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Q: 4root2*4root2

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Q: +–3m+–9m+4+5+–10m

A: The expression is given as 1+–3m+–9m+4+5+–10m. Simplifying the given expression. 1+–3m+–9m+4+5+–10m…

Q: 4. Expand and simplify (2x + 3)*

A: We have to expand and simplify the following expression: . We will apply the binomial theorem to…

Q: 4(5+6)=

A: Given: 4(5+6)=

Q: d. 1 3a+18 = 1 - 8 a+6

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Q: (n + 4)3 =

A: Given query is to expand (n+4)3

Q: limx→- f(x) limo+ f(x) limx→ = = =

A:

Q: 18(9+7)+3

A: 18(9+7)+3

Q: expand (x+y)6

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Q: limx→2 f(x) = lim, ¹x→−1+ f(x) =

A: Given graph of the function fx is   1. Find :  limx→2 fx. 2. Find :limx→-1+ fx.

Q: 3(m – 5) + m

A: 3(m-5)+m=0 3m-15+m=0 add both side 15 we get 2m=15

Q: -5 4 -2 -7 -8 2.

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Q: 6 1/6 + 6

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