Question

${2}^{2}$
+
$3 {}^{2}$
+
${4}^{2}$
​

Answer 1

Answer:

2²+3³+4⁴

=2×2+3×3+4×4

=4+9+16

=13+16

=29

Answer 2

Answer:

29

Step-by-step explanation:

${2}^{2} + {3}^{2} + {4}^{2} \\ {(a + b + c)}^{2} - 2(ab + bc + ca) \\ {(2 + 3 + 4)}^{2} - 2{(2 \times 3) + (3 \times 4) + (4 \times 2)} \\ {(9)}^{2} - 2(6 + 12 + 8) \\ 81 - 2 \times 26 \\ 81 - 52 \\ 29$