Question

Please ans this and no spamming
pls it's urgent​

Answer 1

Step-by-step explanation:

${(a + 1)}^{2} - {a}^{2} = a + 1 + a = 2a + 1$

$(i)136 ^{2} - 135 ^{2} = 136 + 135 = 271$

$(ii) {98}^{2} - {97}^{2} = 98 + 97 = 195$

$(iii) {121}^{2} - {120}^{2} =121 + 120 = 241$