What is the shortcut to find the square of a number?

Generally, we can calculate the square of a number by the formula (a2 + b2 + 2ab).

How do you find the square of a number?

To find the square of a single-digit number, multiply the original number by itself. For example, a square of 4 = 42 = 4 x 4 = 16.

How do you make a square shortcut?

Hold down the “Alt” key, and then type “9632” to form a large, solid square. To form a small solid square, type “Alt” plus “9642.”

How do you type 2 squared on a laptop?

Typing the keyboard shortcut using the number keys above the letters (outside the number pad) will not work – you must use the number pad on the right side of the keyboard. So the keyboard shortcut for the squared symbol is Alt + 0178. The result is like this: ².

How do you write square root on a laptop?

Hold down the “Alt” key and, at the same time, type in the number “251” on the number keypad. This will produce the square root symbol shown as “√.”

To find a square of any number. At first, have to know to find duplex values of one digit number, 2 digit number, 3 digit numbers and so on. Duplex (D) Values: D (a) = a 2 . Eg: D (7) = 72 = 49. D (ab) = 2ab. Eg: D (27) = 2 × 2 × 7 = 49.

How to find square root of a four digit number?

How to Find Square Root of a Four Digit Number. Let’s learn how to find square root by taking different examples. Example: Find the square root of 4489. We group the last pair of digits, and the rest of the digits together. Now, since the unit digit of 4489 is 9. So we can say that unit digit of its square root will be either 3 or 7.

How to find the square of D2?

1 Find Square of D 2 Find 2 × (C × D) 3 Find 2 × (B × D) + C 2 ( NOTE: You may observe that in odd number of digit case, we are multiplying end two digits with 4 Find 2 × (A × D) + 2 × (B × C) ( NOTE: You may observe that where ever there is even digits, we are multiplying end

How to find the square of 37?

We want to find square of 37. Step 1: Find square of 7. Square of 7 = 49. So write 9 in the answer and 4 as carry to the second step. 2 × (3 × 7) = 42. 42 + 4 (Carry) = 46. Write 6 in the answer and 4 as a carry to the third step. 9 + 4 (Carry) = 13. Write 13 in the answer. So the answer is 1369.