Find the Square Of "A"+1/(5"A")

Find the square of `"a"+1/(5"a")`

Sum

`("a"+1/(5"a"))^2=("a")^2+(1/(5"a"))^2+2xx"a"xx1/(5"a")`

`="a"^2+1/(25"a"^2)+2/5`

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Chapter 12: Identities - Exercise 12 (B) [Page 152]

Chapter 12 Identities
Exercise 12 (B) | Q 2.03 | Page 152

Find the square of x − 2y +1

Find the square of 3a − 2b − 5c

Find the square of `5-x+2/x`

Evaluate using the expansion of (a + b)² or (a – b)² :
(92)²

Evaluate using the expansion of (a + b)² or (a – b)² :
(415)²

Evaluate using the expansion of (a + b)² or (a – b)²:
(188)²

Write the place value of the underlined digit.

78,95,210

Write the following numbers in standard notation

30000 + 3000 + 300 + 30 + 3

Find the face value and place value of the digits coloured in the given numbers.

8965

Write in expanded form:

574021