Pascal's Triangle and Binomial Theorem

Find the element in Pascal's Triangle. 12th row and 5 element.

• 1

• 495

• 330

• 792

Find the 4th term in the expansion of (4x-3)⁵.

• 5760

• -4320x²

• 5760x³

• -4320

Find the 14th term of (2x-y)¹⁸

• -274,176x⁵y¹³

• 274,176x⁵y¹³

• 64,064x⁵y¹⁴

• -64,064x⁵y¹⁴

How many terms are the in the expansion of (a+b)⁵

• 5

• 6

• 25

• 50

• 3

Expand the binomial. (4x+3y)⁴

Expand (a⁴-4b)³

• A
• B
• C
• D

Find the 2nd term in the expansion of 
(2b + 1)³

• 12b²

• 6b

• 8b³

• 4b²

• A
• B
• C
• D

• A
• B
• C
• D