Techniques for find square value
Case 1 –Find square from 51-59 Example 1 Find Square of 57 (5 7)²=———— | |Step1– 5²+7=25+7 =32Step2- Square of last digit ( 7)²= 49Ans. from Step1 and Step2 (57)²=Step 1 Step 2 =3349Example 2- Find square of 53. (53)²=(25+3)3² =2809Formula for it—– ( XY)²=(X²+Y)(Y)² Case 2: Find Square between 91-99 Example 1 Find square of 96. (96)²=————Step1. Find difference with 100 100-96=4Step 2. Subtract from given no. | 96-4=92Step 3. Square of step 1 value (4)²=16 Ans by step 2 and step 3 (96)²=92 16 Example 2 Find value (93)²- …