Question

hey frnds,can you solve (3,4,5and6th) question please.
If you solve this, I Will thanks your 10 answers,so solve this correctly .​

Answer 1

Answer:

hi

3) (235)²-(115)²=(235+115)(235-115)=350×120=42000

4)(3.9)²-(1.7)²/3.9-1.7=(3.9+1.7)(3.9-1.7)/3.9-1.7=3.9+1.7=5.6

5)(4.73)²-(2.23)²/4.73+2.23=(4.73+2.23)(4.73-2.23)/4.73+2.23=4.73-2.23=2.5

6)(5.0+0.2)(5.0-0.2)=(5)²-(0.2)²=25-0.4=24.6