When x = 1 (that is x > 0) f(1) = 1^2 - 1 = 0
So b is correct
Answer:32
Step-by-step explanation:
Answer:
Step-by-step explanation:
in tri ADC and tri BDC
∠ADC =∠BDC = 90
DC is common
AD = BD (given)
triangle ADC ≅ tri BDC by SAS congruency
hence AC = BC by CPCT ( congruent parts of congruent triangles)
hence, BC = 13
Answer:
Step-by-step explanation:
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